/**
 * Copyright (c) 2016-2019 人人开源 All rights reserved.
 * <p>
 * https://www.renren.io
 * <p>
 * 版权所有，侵权必究！
 */

package io.renren.modules.oss.controller;

import com.google.gson.Gson;
import io.renren.common.exception.RRException;
import io.renren.common.utils.ConfigConstant;
import io.renren.common.utils.Constant;
import io.renren.common.utils.PageUtils;
import io.renren.common.utils.R;
import io.renren.common.validator.ValidatorUtils;
import io.renren.common.validator.group.AliyunGroup;
import io.renren.common.validator.group.QcloudGroup;
import io.renren.common.validator.group.QiniuGroup;
import io.renren.modules.oss.cloud.CloudStorageConfig;
import io.renren.modules.oss.cloud.OSSFactory;
import io.renren.modules.oss.entity.SysOssEntity;
import io.renren.modules.oss.service.SysOssService;
import io.renren.modules.sys.service.SysConfigService;
import org.apache.shiro.authz.annotation.RequiresPermissions;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import java.util.Arrays;
import java.util.Date;
import java.util.Map;

/**
 * 文件上传
 *
 * @author Mark sunlightcs@gmail.com
 */
@RestController
@RequestMapping("sys/oss")
public class SysOssController {
  @Autowired
  private SysOssService sysOssService;
  @Autowired
  private SysConfigService sysConfigService;

  private final static String KEY = ConfigConstant.CLOUD_STORAGE_CONFIG_KEY;

  /**
   * 列表
   */
  @GetMapping("/list")
  @RequiresPermissions("sys:oss:all")
  public R list(@RequestParam Map<String, Object> params) {
    PageUtils page = sysOssService.queryPage(params);

    return R.ok().put("page", page);
  }


  /**
   * 云存储配置信息
   */
  @GetMapping("/config")
  @RequiresPermissions("sys:oss:all")
  public R config() {
    CloudStorageConfig config = sysConfigService.getConfigObject(KEY, CloudStorageConfig.class);

    return R.ok().put("config", config);
  }


  /**
   * 保存云存储配置信息
   */
  @PostMapping("/saveConfig")
  @RequiresPermissions("sys:oss:all")
  public R saveConfig(@RequestBody CloudStorageConfig config) {
    //校验类型
    ValidatorUtils.validateEntity(config);

    if (config.getType() == Constant.CloudService.QINIU.getValue()) {
      //校验七牛数据
      ValidatorUtils.validateEntity(config, QiniuGroup.class);
    } else if (config.getType() == Constant.CloudService.ALIYUN.getValue()) {
      //校验阿里云数据
      ValidatorUtils.validateEntity(config, AliyunGroup.class);
    } else if (config.getType() == Constant.CloudService.QCLOUD.getValue()) {
      //校验腾讯云数据
      ValidatorUtils.validateEntity(config, QcloudGroup.class);
    }

    sysConfigService.updateValueByKey(KEY, new Gson().toJson(config));

    return R.ok();
  }


  /**
   * 上传文件
   */
  @PostMapping("/upload")
  @RequiresPermissions("sys:oss:all")
  public R upload(@RequestParam("file") MultipartFile file) throws Exception {
    if (file.isEmpty()) {
      throw new RRException("上传文件不能为空");
    }

    //上传文件
    String suffix = file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf("."));
    String url = OSSFactory.build().uploadSuffix(file.getBytes(), suffix);

    //保存文件信息
    SysOssEntity ossEntity = new SysOssEntity();
    ossEntity.setUrl(url);
    ossEntity.setCreateDate(new Date());
    sysOssService.save(ossEntity);

    return R.ok().put("url", url);
  }


  /**
   * 删除
   */
  @PostMapping("/delete")
  @RequiresPermissions("sys:oss:all")
  public R delete(@RequestBody Long[] ids) {
    sysOssService.removeByIds(Arrays.asList(ids));

    return R.ok();
  }

}
